fibrous

adjective

fi·​brous ˈfī-brəs 

1

a

: containing, consisting of, or resembling fibers

b

: characterized by fibrosis

c

: capable of being separated into fibers

a fibrous mineral

2

: tough, sinewy

fibrous texture

Synonyms

• stringy

Examples of fibrous in a Sentence

He had surgery to remove fibrous scar tissue in his knee.

thick, fibrous hair that was not easy to comb

Recent Examples on the Web

Instead, these fibrous foods move through your digestive system, encouraging gastric emptying and reducing constipation.4 3. —Maggie O'Neill, Verywell Health, 16 Apr. 2025

Both experts say that eating fibrous foods—such as fruits, vegetables, grains, and beans—are far superior sources of prebiotics than these drinks. —Chantelle Lee, TIME, 25 Mar. 2025

The carbon fiber is recovered from some of the world’s fastest monohull sailing yachts manufactured by CDK Technologies and is recycled back into its original fibrous state by company called Extracthive. —Anthony Demarco, Forbes.com, 1 Apr. 2025

Eating more fibrous foods at the same time can also help boost your overall tolerance while of course providing all the digestive perks of the real deal. —Erica Sloan, SELF, 18 Mar. 2025

Word History

Etymology

modification of Middle French fibreux, from fibre fiber

First Known Use

1597, in the meaning defined at sense 1a

Phrases Containing fibrous

• fibrous root

Kids Definition

fibrous

adjective

fi·​brous ˈfī-brəs 

1

: containing, consisting of, or resembling fibers

2

: tough entry 1 sense 1b, stringy

Medical Definition

fibrous

adjective

fi·​brous ˈfī-brəs 

1

: containing, consisting of, or resembling fibers

collagen is a fibrous protein

2

: characterized by fibrosis